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#!/bin/ksh
# $OpenBSD: ovs.sh,v 1.4 2022/03/08 07:50:34 claudio Exp $
set -e
BGPD=$1
BGPDCONFIGDIR=$2
RDOMAIN1=$3
RDOMAIN2=$4
PAIR1=$5
PAIR2=$6
RDOMAINS="${RDOMAIN1} ${RDOMAIN2}"
PAIRS="${PAIR1} ${PAIR2}"
PAIR1IP=10.12.57.1
PAIR2IP=10.12.57.2
PAIR2STATIC=10.12.58.0/24
PAIR2CONNIP=10.12.59.1
PAIR2CONNPREF=24
PAIR2CONN=10.12.59.0/24
PAIR2RTABLE=10.12.60.0/24
PAIR2PRIORITY=10.12.61.0/24
PAIR2VALID=10.12.62.0/24
PAIR2INVALIDAS=10.12.63.0/24
PAIR2NOTFOUND=10.12.64.0/24
error_notify() {
echo cleanup
pkill -T ${RDOMAIN1} bgpd || true
pkill -T ${RDOMAIN2} bgpd || true
sleep 1
ifconfig ${PAIR2} destroy || true
ifconfig ${PAIR1} destroy || true
route -qn -T ${RDOMAIN1} flush || true
route -qn -T ${RDOMAIN2} flush || true
ifconfig lo${RDOMAIN1} destroy || true
ifconfig lo${RDOMAIN2} destroy || true
if [ $1 -ne 0 ]; then
echo FAILED
exit 1
else
echo SUCCESS
fi
}
if [ "$(id -u)" -ne 0 ]; then
echo need root privileges >&2
exit 1
fi
trap 'error_notify $?' EXIT
echo check if rdomains are busy
for n in ${RDOMAINS}; do
if /sbin/ifconfig | grep -v "^lo${n}:" | grep " rdomain ${n} "; then
echo routing domain ${n} is already used >&2
exit 1
fi
done
echo check if interfaces are busy
for n in ${PAIRS}; do
/sbin/ifconfig "${n}" >/dev/null 2>&1 && \
( echo interface ${n} is already used >&2; exit 1 )
done
set -x
echo setup
ifconfig ${PAIR1} rdomain ${RDOMAIN1} ${PAIR1IP}/30 up
ifconfig ${PAIR2} rdomain ${RDOMAIN2} ${PAIR2IP}/30 up
ifconfig ${PAIR1} patch ${PAIR2}
ifconfig lo${RDOMAIN1} inet 127.0.0.1/8
ifconfig lo${RDOMAIN2} inet 127.0.0.1/8
echo add routes
route -T ${RDOMAIN1} exec ${BGPD} \
-v -f ${BGPDCONFIGDIR}/bgpd.ovs.rdomain1.conf
route -T ${RDOMAIN2} add ${PAIR2STATIC} ${PAIR1IP}
ifconfig ${PAIR2} alias ${PAIR2CONNIP}/${PAIR2CONNPREF}
route -T ${RDOMAIN2} add -label PAIR2RTABLE ${PAIR2RTABLE} \
${PAIR1IP}
route -T ${RDOMAIN2} add -priority 55 ${PAIR2PRIORITY} \
${PAIR1IP}
route -T ${RDOMAIN2} exec ${BGPD} \
-v -f ${BGPDCONFIGDIR}/bgpd.ovs.rdomain2.conf
sleep 2
echo test 1
route -T ${RDOMAIN1} exec bgpctl sh rib ovs valid | \
grep ${PAIR2VALID}
route -T ${RDOMAIN1} exec bgpctl sh rib ovs invalid | \
grep ${PAIR2INVALIDAS}
route -T ${RDOMAIN1} exec bgpctl sh rib ovs not-found | \
grep ${PAIR2NOTFOUND}
echo reload config
route -T ${RDOMAIN1} exec bgpctl reload
sleep 2
echo test 2
route -T ${RDOMAIN1} exec bgpctl sh rib ovs valid | \
grep ${PAIR2VALID}
route -T ${RDOMAIN1} exec bgpctl sh rib ovs invalid | \
grep ${PAIR2INVALIDAS}
route -T ${RDOMAIN1} exec bgpctl sh rib ovs not-found | \
grep ${PAIR2NOTFOUND}
exit 0
|
